Home / 20,444.85-30,663.39-6,402.75

Finding the Fourth Proportional to 20,444.85, 30,663.39 and 6,402.75

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Solution

The fourth proportional to 20,444.85, 30,663.39 and 6,402.75 is: 9,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.85 : 30,663.39 = 6,402.75 : x
  2. Step 2: Convert to fraction form
    20,444.85/30,663.39 = 6,402.75/x
  3. Step 3: Cross multiply
    20,444.85x = 30,663.39 × 6,402.75
  4. Step 4: Simplify right side
    20,444.85x = 196,330,020.32
  5. Step 5: Solve for x
    x = 196,330,020.32/20,444.85
  6. Step 6: Final answer
    x = 9,602.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.